Added command --hwprops

This new command lists the hardware properties of the selected device.

BUG=chromium:353779
TEST=run inputcontrol -t touchpad --hwprops

Change-Id: I0972585c99c3f11ae5a3755d0bbac7eb7be16b5e
Reviewed-on: https://chromium-review.googlesource.com/194934
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Tested-by: Dennis Kempin <denniskempin@chromium.org>
Commit-Queue: Dennis Kempin <denniskempin@chromium.org>
2 files changed